R version 2.8.0 (2008-10-20)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(108.9,110.5,111.0,110.7,110.0,111.4,107.7,110.4,110.5,106.4,107.5,108.8,107.1,107.9,107.2,106.3,106.7,105.4,109.4,106.7,105.2,107.0,105.4,106.1,105.8,104.2,102.7,102.7,104.9,102.3,104.0,101.2,102.2,101.4,101.1,97.2,99.7,99.4,98.0,103.1,99.4,100.8,96.4,99.7,100.9,101.3,102.6,105.6,107.2,104.0,108.7,104.9,105.3,105.0,106.1,103.7,102.1,97.2,99.5,102.9)
> par4 = '12'
> par3 = '0'
> par2 = '0'
> par1 = '1'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> par1 <- as.numeric(par1)
> par2 <- as.numeric(par2)
> par3 <- as.numeric(par3)
> par4 <- as.numeric(par4)
> if (par1 == 0) {
+ x <- log(x)
+ } else {
+ x <- (x ^ par1 - 1) / par1
+ }
> if (par2 > 0) x <- diff(x,lag=1,difference=par2)
> if (par3 > 0) x <- diff(x,lag=par4,difference=par3)
> postscript(file="/var/www/html/freestat/rcomp/tmp/1aa0q1228830127.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> r <- spectrum(x,main='Raw Periodogram')
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/freestat/rcomp/tmp/24jo11228830127.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> cpgram(x,main='Cumulative Periodogram')
> dev.off()
null device 
          1 
> 
> #Note: the /var/www/html/freestat/rcomp/createtable file can be downloaded at http://www.wessa.net/cretab
> load(file="/var/www/html/freestat/rcomp/createtable")
> 
> a<-table.start()
> a<-table.row.start(a)
> a<-table.element(a,'Raw Periodogram',2,TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Parameter',header=TRUE)
> a<-table.element(a,'Value',header=TRUE)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Box-Cox transformation parameter (lambda)',header=TRUE)
> a<-table.element(a,par1)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Degree of non-seasonal differencing (d)',header=TRUE)
> a<-table.element(a,par2)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Degree of seasonal differencing (D)',header=TRUE)
> a<-table.element(a,par3)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Seasonal Period (s)',header=TRUE)
> a<-table.element(a,par4)
> a<-table.row.end(a)
> a<-table.row.start(a)
> a<-table.element(a,'Frequency (Period)',header=TRUE)
> a<-table.element(a,'Spectrum',header=TRUE)
> a<-table.row.end(a)
> for (i in 1:length(r$freq)) {
+ a<-table.row.start(a)
+ mylab <- round(r$freq[i],4)
+ mylab <- paste(mylab,' (',sep='')
+ mylab <- paste(mylab,round(1/r$freq[i],4),sep='')
+ mylab <- paste(mylab,')',sep='')
+ a<-table.element(a,mylab,header=TRUE)
+ a<-table.element(a,round(r$spec[i],6))
+ a<-table.row.end(a)
+ }
> a<-table.end(a)
> table.save(a,file="/var/www/html/freestat/rcomp/tmp/3v8qt1228830127.tab") 
> 
> system("convert tmp/1aa0q1228830127.ps tmp/1aa0q1228830127.png")
> system("convert tmp/24jo11228830127.ps tmp/24jo11228830127.png")
> 
> 
> proc.time()
   user  system elapsed 
  0.749   0.429   0.827